2.88的很多宏定义名字都变了，IAR的ucos插件不认识了。
手头没有2.88，只有官网上面下载的2.90，在ReleaseNotes.pdf文件中说的很清楚：
CHANGES TO V2.87
You should follow these steps in order to upgrade from a previous version to V2.87.
1) OS_CORE.C:
OSIntExit() and OS_Sched() have changed slightly because of a boundary condition found with the Cortex-M3 port. Specifically, we needed to move the statement:
OSTCBHighRdy = OSTCBPrioTbl[OSPrioHighRdy];
Before testing for the priority |
